<!doctype html>
<html className="no-js">
<head>
  <meta charSet="utf-8" />
  <meta httpEquiv="X-UA-Compatible" content="IE=edge" />
  <title>首页</title>
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <style>
    .load-overlay {
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
      z-index: 1000;
      visibility: hidden;
      transition: opacity 0.15s, visibility 0s 0.15s;
    }
    .load-overlay.show {
      visibility: visible;
    }
    .load-overlay.show::after,
    .load-overlay.show::before {
      content: '';
      position: absolute;
      width: 20px;
      height: 20px;
      top: 50%;
      left: 50%;
      margin: -10px 0 0 -10px;
      border-radius: 50%;
      -webkit-transition: opacity 0.15s, visibility 0s 0.15s;
      transition: opacity 0.15s, visibility 0s 0.15s;
    }

    .load-overlay.show::after {
      background: #6cc88a;
      -webkit-transform: translateX(-20px);
      transform: translateX(-20px);
      -webkit-animation: moveRight 0.6s linear infinite alternate;
      animation: moveRight 0.6s linear infinite alternate;
    }

    .load-overlay.show::before {
      background: #4fc3f7;
      -webkit-transform: translateX(20px);
      transform: translateX(20px);
      -webkit-animation: moveLeft 0.6s linear infinite alternate;
      animation: moveLeft 0.6s linear infinite alternate;
    }

    @-webkit-keyframes moveRight {
      to { -webkit-transform: translateX(20px); }
    }

    @keyframes moveRight {
      to { transform: translateX(20px); }
    }

    @-webkit-keyframes moveLeft {
      to { -webkit-transform: translateX(-20px); }
    }

    @keyframes moveLeft {
      to { transform: translateX(-20px); }
    }
  </style>
</head>
<body>
  <div id="app"></div>
  <div class="load-overlay show"></div>
  <script src="app.js"></script>
</body>
</html>
